"Turn up” the excitement with these awesome customizable tops! Choose among each top’s five pieces and use the assembly tool to engineer just the right performance. Battling on a high-profile track? Your Rock Leone top will need its SPIN TRACK: 145 piece. Need aggressive movement? Be sure to include the PERFORMANCE TIP: F on your Flame Bull top. Then, set each up on their launchers, pull the ripcords and send them spinning into action! Sharpen your skills or battle it out in any Beystadium arena (sold separately)! Measures 2-inches in diameter. Ages 8 and up.